Mesa Tower BAS

Level 1 · Zone temperatures

Corridor

ColdCoolSlightly cool IdealSlightly warmWarm HotUnoccupied

–

Occupied setpoint

–

Cooling / heating SP: –
Damper: –
Airflow: –
Reheat valve: –
Discharge air: –

Level 1 · Air Handling Unit 1

– Supply airflow –

Mixed air temp · 12 h–

Chilled water valve · 12 h–

Point list

Object	Description	Type	Present value

Operator setpoints

Supply air temp, °F

Duct static, in. w.c.

Occupancy

Weather follows time of day

Outside air

Inject a fault

Break something and watch the loops and alarms respond.

Fan start / stop

Schedule

Window06:00–18:00Mode–Night setback–

–

BO · SF-C

Command–

–

BI · SF-S

Status–

–

Alarm

Cmd ≠ status60 sState–Temp control–

Duct static pressure loop

AI · DA-P

Value–

–

PID · reverse acting

Setpoint–Error– Kp Ki /min I term–

–

AO · SF-VFD

Output–Actual speed–

Supply air temperature sequence

AI · SA-T

Value–

–

PID · direct acting

Setpoint–Error– Kp Ki /min I term–

–

Sequencer

−100…0heat0…100–100…200––

stage

AO · HW-V

Output–

AO · OA-D

Output–

AO · CHW-V

Output–

Economizer enable

AI · OA-T

Value–

AI · RA-T

Value–

°F

Compare

OA-T < 65 °F–OA-T < RA-T − 2–Hysteresis2 °F

–

BV · ECON-EN

State–

Last 24 hours, logged every 5 minutes. Shaded spans are unoccupied. Hover a chart to read all three at that time.

Mesa Tower

Level 1 · Zone temperatures

–

Level 1 · Air Handling Unit 1

Point list

Operator setpoints

Inject a fault

Fan start / stop

Duct static pressure loop

Supply air temperature sequence

Economizer enable

Alarm log